The rook (Corvus frugilegus) is a member of the family Corvidae in the passerine order of birds. It is found in the Palearctic, its range extending from Scandinavia and western Europe to eastern Siberia.

Rook, (Corvus frugilegus), the most abundant Eurasian bird of the crow family Corvidae (q.v.). It resembles the carrion crow in size (45 cm [18 inches]) and in black coloration, but the adult rook …

rook noun [C] (PIECE IN A GAME) (also informal castle) in the game of chess, a piece that can move along any number of squares in straight lines parallel to the sides of the board:

The meaning of ROOK is a common Old World gregarious crow (Corvus frugilegus) that nests and roosts in usually treetop colonies.

Rooks have all-black plumage, but an iridescent sheen is noticeable up close. They have a typical wingspan of 90 cm, making them slightly smaller than crows. The species’ primary identifying trait is …

The rook, Corvus frugilegus, is a fascinating member of the crow family, instantly recognizable by its distinctive facial features. Often overlooked in favor of its more flamboyant cousins, the rook …

Aug 7, 2025 · The rook is an intelligent bird, a member of the Corvidae family, which includes crows and ravens. These highly social birds are recognized for their distinctive appearance and complex …

6 days ago · rook (countable and uncountable, plural rooks) A European bird, Corvus frugilegus, of the crow family. quotations

ROOK definition: a black, European crow, Corvus frugilegus, noted for its gregarious habits. See examples of rook used in a sentence.

Large, glossy black crow. Adult is easily passed off as another crow species unless you see the diagnostic pale patch at the base of the bill. Juvenile lacks a pale bill base and is very similar to …